| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 3297 |
53.3%
|
| 2 | < 1/4 | 1030 |
16.7%
|
| 3 | 1/4 - 1/2 | 1185 |
19.2%
|
| 4 | >1/2 | 674 |
10.9%
|
| 5 | do not know | 0 |
0%
|
| Sysmiss | 27264 |